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492732195121 = 2916990765349
BaseRepresentation
bin1110010101110010010…
…00001010000100110001
31202002211100112222020001
413022321020022010301
531033103420220441
61014205200550001
750412235361005
oct7127110120461
91662740488201
10492732195121
1117aa6a52a091
127b5b3022301
133760650a20a
1419bc3cb4705
15cc3ca69731
hex72b920a131

492732195121 has 4 divisors (see below), whose sum is σ = 509722960500. Its totient is φ = 475741429744.

The previous prime is 492732195119. The next prime is 492732195127. The reversal of 492732195121 is 121591237294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 306074497600 + 186657697521 = 553240^2 + 432039^2 .

It is a cyclic number.

It is not a de Polignac number, because 492732195121 - 21 = 492732195119 is a prime.

It is a super-2 number, since 2×4927321951212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492732195127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8495382646 + ... + 8495382703.

It is an arithmetic number, because the mean of its divisors is an integer number (127430740125).

Almost surely, 2492732195121 is an apocalyptic number.

It is an amenable number.

492732195121 is a deficient number, since it is larger than the sum of its proper divisors (16990765379).

492732195121 is a wasteful number, since it uses less digits than its factorization.

492732195121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16990765378.

The product of its digits is 272160, while the sum is 46.

The spelling of 492732195121 in words is "four hundred ninety-two billion, seven hundred thirty-two million, one hundred ninety-five thousand, one hundred twenty-one".

Divisors: 1 29 16990765349 492732195121